COPPER INDUSTRY – – UPDATED DATABASE OF 66 TRANSACTIONS SINCE 2005 SHOWS AVERAGE PRICE ESCALATED FROM $0.12/LB PRIOR TO MID- 2010 TO $0.27/LB IN PAST 23 TRANSACTIONS WITH AN INTERIM “FROTH” FROM OCT 2010 TO MAY 2011; SUPPLY-DEMAND MODELS UPDATED 12/8/2011